Animal Species:Black Loosejaw, Malacosteus niger Ayres, 1848
The Black Loosejaw is an elongate, compressed fish. Its jaws are much longer than the skull. It is found in the Atlantic and Indo-West Pacific.
Standard Common Name
The Black Loosejaw is an elongate, compressed fish. Its jaws are much longer than the skull. There is a comma-shaped photophore under the eye and a circular photophore behind the eye. In life, these photophores are red and green respectively. The head and body are black.
The species grows to 24 cm in length.
It occurs in the Atlantic and Indo-West Pacific. In Australia it is known from off New South Wales, Tasmania and Western Australia
The map below shows the Australian distribution of the species based on public sightings and specimens in Australian Museums. Click on the map for detailed information. Source: Atlas of Living Australia.
Distribution by collection data
- Gomon, M.F. & E.M. Robertson in Gomon, M.F., Glover, C.J.M. & R.H. Kuiter (Eds). 1994. The Fishes of Australia's South Coast. State Print, Adelaide. Pp. 992.
- Harold, A.S. 1999. Malacosteidae. in Carpenter, K.E. & V.H. Niem (Eds). FAO Species Identification Guide for Fishery Purposes. The Living Marine Resources of the Western Central Pacific. Volume 3. Batoid fishes, chimaeras and bony fishes part 1 (Elopidae to Linophrynidae). FAO, Rome. Pp. iii-vi, 1398-2068.
- Paxton, J.R., D.F. Hoese, G.R. Allen & J.E. Hanley. 1989. Zoological Catalogue of Australia Vol. 7 Pisces Petromyzontidae to Carangidae. Canberra: Australian Biological Resources Survey. Pp. i-xii, 1-665.
Mark McGrouther , Collection Manager, Ichthyology
Tags Fishes, Ichthyology, Black Loosejaw, Malacosteus niger, Stomiidae, NORFANZ, elongate, photophores, black, 10 cm - 30 cm, odd-shaped, Atlantic, Indo-Pacific, mesopelagic, bathypelagic, deepsea, marine,